Blij met het resultaat. Upbeat jonge ingenieur permanent in de studie, het bezit van een blauwdruk en het kijken naar wind turbine modellen staan op de tafel - Stockfoto’s en -afbeeldingen

Sustainable energy. Happy joyful positive man looking at the windmill models and smiling while working on the eco project

Saving environment. Happy cheerful male engineer staring at windmills model while standing and grinning

Pleasant conversation. Joyful young man sitting at the table and talking on the phone while working on the blueprint and reaching his hand to get another one

New innovations. Smart pleasant aged man sitting at the table and doing a drawing while working on an eco project

Smart student. Joyful positive nice man smiling and pointing at the windmill model while talking to his teacher

Two generations. Satisfied glad male engineers staring at windmills model while working together and sharing thoughts

Careful investigation. Handsome young man sitting in the office and touching a sail of a wind turbine with one hand while holding a pencil for drawing a blueprint with the other hand.

My invention. Energetic enthusiastic male engineer chatting on phone while sharing his impressions and stretching to windmill model

Charged with positivity. Joyful smiling engineer sitting at the table and drawing a blueprint with compasses

Absorbed in thoughts. Grey-haired senior man sitting at the table, holding a pair of compasses and looking at them, thinking about something

Keep smiling. Cheerful pensioner female keeping smile on her face while standing on the foreground

Professional blueprint. Serious nice smart man sitting the table and using drawing tools while working on a technical blueprint

Paying attention. Grey-haired senior man leaning on the table and measuring the distance on the blueprint with the help of a compass while looking at a wind turbine

Great innovation. Jolly senior male engineer stretching to windmills model while laughing and sitting at table

His brainchildren. Upbeat senior man sitting at the table with a blueprint spread on it and reaching out his hand towards wind turbine models standing on the table

Express positivity. Pleased engineer standing in semi position while examining sketch